West Nile encephalitis (fever) virus — (westґ nīlґ) [West Nile River valley and region in northern Uganda, where the disease was first observed in 1937] see under encephalitis and virus … Medical dictionary

West Nile virus — n. 〚after West Nile District of Uganda, where it was discovered〛 a virus transmitted from infected birds by the common culex mosquito and causing a form of encephalitis (West Nile encephalitis or fever or West Nile encephalitis or West Nile… … Universalium

West Nile virus — n a single stranded RNA virus of the genus Flavivirus (species West Nile virus) that causes an illness marked by fever, headache, muscle ache, skin rash, and sometimes encephalitis or meningitis, that is spread chiefly by mosquitoes, and that is… … Medical dictionary

West Nile virus — n. [after West Nile District of Uganda, where it was discovered] a virus transmitted from infected birds by the common culex mosquito and causing a form of encephalitis (West Nile encephalitis or fever or West Nile encephalitis or West Nile… … English World dictionary

West Nile fever — A febrile disease caused by the West Nile virus that is transmitted from birds to the common Culex mosquito and then to people. The virus is named after the area it was first found in Uganda. West Nile fever occurs in parts of Africa and Asia and … Medical dictionary